diff --git a/arch/arm/dts/nuvoton-npcm8xx-u-boot.dtsi b/arch/arm/dts/nuvoton-npcm8xx-u-boot.dtsi
index 770964c3cc6a..5a20780a8c0d 100644
--- a/arch/arm/dts/nuvoton-npcm8xx-u-boot.dtsi
+++ b/arch/arm/dts/nuvoton-npcm8xx-u-boot.dtsi
@@ -400,6 +400,7 @@
                                 reg = <0x101000 0x200>;
                                 pinctrl-names = "default";
                                 pinctrl-0 = <&iox1_pins>;
+				syscon-rst = <&rstc>;
                                 #address-cells = <1>;
                                 #size-cells = <0>;
                                 #gpio-cells = <2>;
@@ -414,6 +415,7 @@
                                 reg = <0x102000 0x200>;
                                 pinctrl-names = "default";
                                 pinctrl-0 = <&iox2_pins>;
+				syscon-rst = <&rstc>;
                                 #address-cells = <1>;
                                 #size-cells = <0>;
                                 #gpio-cells = <2>;